Hotfix/update2new dsx tone analyzer#5

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tjhgit wants to merge 2 commits intoibm-watson-data-lab:masterfrom

tjhgit:hotfix/update2new_dsx_tone_analyzer

Commits on Mar 16, 2018

adapted code to new return values object of tone analyzer, updated to current dsx scala and spark version, modified old Logging class to use only log4j, JSONObject now in a different package
evotjh
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sorry wrong previous commit
evotjh
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